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40th Fluid Dynamics Conference and Exhibit
In this paper, we obtain inherently unsteady solutions to the Navier-Stokes equations involving moving boundaries. We employ a mapping function to map the grid and the flow features between a fixed reference frame and a moving reference frame. The actual equations of conservation (applicable on the moving reference frame) are then rewritten so as to form an altered set of equations, which are valid in the fixed reference frame. These altered set of equations are discretized and then solveddoi:10.2514/6.2010-4992 fatcat:6qkt226p4naqblnh73b4csslxa